Kimono
Kat Von D
Kill bill
Kilt
Kitten
Knight's lady
Kooky
Kinky
Karate
Katherine Hepburn
Kenyan
Kidnapper
Kick boxer
Kiwi
Knocked up
Karma sutra
Killer
Kidnapper
Kissing booth
Kleopatra
Kitchen maid
Kleptomaniac
Kaftan
You can get some creative costume ideas at http://costumeideazone.com/. You can also get some ideas at http://www.indigo.org/halloween/page2.html
Costume ideas that begin with the letter i:Incredible HulkIndianIndiana JonesInmate
Jelly
well its a bit obvious! Angel and devil are good or if not then look on the internet for costume ideas or look in costume shops
If you want costume ideas then the best place for that would be online on some Halloween websites. You can also just go to a website that has Audrey Hepburn costume ideas on their as well.
Lady Gaga
Family Fun Magazine offers some great Halloween costume ideas. They offer individual costume ideas or ideas you can use for the whole family! http://familyfun.go.com/crafts/ducks-662521/
Some good teen costumes ideas is a bunny,cheetah,zebra,and nerd
This website: http://www.parents.com/holiday/halloween/costumes/ has some fun and unique costume ideas for your new born. But remember to dress them in a warm costume.
Some good yellow costume ideas are a crayon, a banana, a golden ticket,a block of cheese .These are good ideas to me because i am only a kid. Banana, pumpkin, yellow color rose
JoAnn's craft store.
If you are looking for unique costume ideas, you can find them at http://www.essortment.com/halloween-costume-ideas-50-unique-weird-ideas-52253.html. You can also find unique decorating ideas at http://www.halloween-website.com/decorating.htm